A man who spends his days without any women around. But when a newlywed couple moves in next door, his daily life changes! The married woman Rina comes to greet him, but for some reason she's not wearing a bra! When she finds out that the man's family is wealthy, Rina's erotic appeal becomes even more extreme! She approaches the man with her braless big tits and erect nipples! The man, who is captivated by Rina both in Kokoro and his dick, has an affair with Rina... What is the slutty wife Rina's purpose...?